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United States

North America · Northern America

Total Species
11292
Threatened
274
CR + EN + VU
Population
331 002 647
Area
9 833 517 km²

Conservation Status Overview

Critically Endangered 42
Endangered 98
Vulnerable 134
Near Threatened 153
Least Concern 2196
Data Deficient 112
Not Evaluated 3438
Extinct in the Wild 1
Extinct 86

Species by Taxonomic Group

Plantae 5386
Animalia 3833
Fungi 1835
Protozoa 86
Bacteria 78
Chromista 74

Featured Species

All Species in United States

Hoary ragwort

Jacobaea erucifolia

Endangered

Jameson'S Liverwort

Syzygiella autumnalis

Least Concern

Japanese Crab

Malus floribunda

Not Evaluated

Jamaican crabgrass

Digitaria horizontalis

Not Evaluated

Fungi

Xylomyces rhizophorae

Not Evaluated

Stocking Webcap

Cortinarius torvus

Least Concern

Jacob's coat

Acalypha wilkesiana

Not Evaluated

Swarming Spine

Mucronella calva

Least Concern

Sponge

Cliona thoosina

Least Concern

Pine Barren Bog Goldenrod

Solidago stricta

Least Concern

Ivy gourd

Coccinia grandis

Not Evaluated

Ivory Coral

Ramariopsis kunzei

Least Concern

False African-Violet

Streptocarpus saxorum

Least Concern

Ivyleaf geranium

Pelargonium peltatum

Not Evaluated

Ivory Barnacle

Amphibalanus eburneus

Not Evaluated

Australian cheesewood

Pittosporum undulatum

Not Evaluated

Itchgrass

Rottboellia cochinchinensis

Not Evaluated

Italian toadflax

Linaria angustissima

Not Evaluated

Italian timothy

Phleum subulatum

Not Evaluated

Italian plumeless thistle

Carduus pycnocephalus

Not Evaluated

Italian viper's bugloss

Echium italicum

Not Evaluated

Muscid fly

Lophosceles frenatus

Not Evaluated

Italian gladiolus

Gladiolus italicus

Not Evaluated

Sweetgrass Hydnellum

Hydnellum suaveolens

Extinct

Italian catchfly

Silene italica

Not Evaluated

Isopod

Armadillidium nasatum

Not Evaluated

Sweet-nancy

Achillea ageratum

Not Evaluated

Isopod

Paranthura japonica

Not Evaluated

Isopod

Synidotea laevidorsalis

Not Evaluated

Leafhopper

Fagocyba cruenta

Least Concern

Moth fanpetals

Sida santaremensis

Not Evaluated

Australian tobacco

Nicotiana suaveolens

Not Evaluated

Honey bee tracheal mite

Acarapis woodi

Not Evaluated

Laurer'S Catillaria

Megalaria laureri

Endangered

Isopod

Porcellio dilatatus

Not Evaluated

Common Green Capsid

Lygocoris pabulinus

Least Concern

Fungus-feeding thrips

Haplothrips leucanthemi

Not Evaluated

Irish Ruffwort

Moerckia hibernica

Extinct

Parasitic fly

Voria ruralis

Not Evaluated

Sweetpotato cactus

Cereus repandus

Least Concern

Powder-post checkered beetle

Tarsostenus univittatus

Not Evaluated

Iranian stork's bill

Erodium gruinum

Not Evaluated

Sycamore Lace Bug

Corythucha ciliata

Not Evaluated

False Map Lichen

Schaereria fuscocinerea

Data Deficient

Parasitoid wasp

Sphegigaster pallicornis

Not Evaluated

Parasitoid wasp

Halticoptera patellana

Not Evaluated

Mite

Stratiolaelaps scimitus

Not Evaluated

Parasitoid wasp

Leptomastix epona

Not Evaluated

Landscaping Black Morel

Morchella importuna

Not Evaluated

Lapland Bloodspot Lichen

Ophioparma lapponica

Not Evaluated

Bark lice

Lachesilla pedicularia

Not Evaluated

Fungus-feeding thrips

Bolothrips bicolor

Not Evaluated

Swollen fingergrass

Chloris barbata

Not Evaluated

Sydney bluegum

Eucalyptus saligna

Least Concern

Intermediate paspalum

Paspalum intermedium

Not Evaluated

Intermediate Hawthorn

Crataegus media

Least Concern

Parasitoid wasp

Apanteles carpatus

Not Evaluated

Parasitoid wasp

Phaenoglyphis villosa

Not Evaluated

Insect-Egg Slime

Leocarpus fragilis

Not Evaluated

Inflated Notchwort

Gymnocolea inflata

Endangered

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